pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-96242-Miss_Forbes_Farewell_to_Banff_1.ps) >>/Users/jc/w/tmp/Tune-96242-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/kirby98.fsnet.co.uk/mi/Miss_Forbes_Farewell_to_Banff_1.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Form_96242.log 930 Log file, useful mostly for debugging
Tune-96242-Miss_Forbes_Farewell_to_Banff_1.abc 829 ABC music file with the extracted tune(s)
Tune-96242-Miss_Forbes_Farewell_to_Banff_1.ps 37767 PostScript
Tune-96242-Miss_Forbes_Farewell_to_Banff_1.txt 829 Plain-text file with the extracted tune(s)
Tune-96242-get.log 5843 Log file, useful mostly for debugging
These files should be available for 24 hours.